81263000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 256

約数和(自身を含む): 251596800

約数和(自身を除く): 170333800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 40, 47, 50, 52, 56, 65, 70, 76, 91, 94, 95, 100, 104, 125, 130, 133, 140, 152, 175, 182, 188, 190, 200, 235, 247, 250, 260, 266, 280, 325, 329, 350, 364, 376, 380, 455, 470, 475, 494, 500, 520, 532, 611, 650, 658, 665, 700, 728, 760, 875, 893, 910, 940, 950, 988, 1000, 1064, 1175, 1222, 1235, 1300, 1316, 1330, 1400, 1625, 1645, 1729, 1750, 1786, 1820, 1880, 1900, 1976, 2275, 2350, 2375, 2444, 2470, 2600, 2632, 2660, 3055, 3250, 3290, 3325, 3458, 3500, 3572, 3640, 3800, 4277, 4465, 4550, 4700, 4750, 4888, 4940, 5320, 5875, 6110, 6175, 6251, 6500, 6580, 6650, 6916, 7000, 7144, 8225, 8554, 8645, 8930, 9100, 9400, 9500, 9880, 11375, 11609, 11750, 12220, 12350, 12502, 13000, 13160, 13300, 13832, 15275, 16450, 16625, 17108, 17290, 17860, 18200, 19000, 21385, 22325, 22750, 23218, 23500, 24440, 24700, 25004, 26600, 30550, 30875, 31255, 32900, 33250, 34216, 34580, 35720, 41125, 42770, 43225, 44650, 45500, 46436, 47000, 49400, 50008, 58045, 61100, 61750, 62510, 65800, 66500, 69160, 76375, 81263, 82250, 85540, 86450, 89300, 91000, 92872, 106925, 111625, 116090, 122200, 123500, 125020, 133000, 152750, 156275, 162526, 164500, 171080, 172900, 178600, 213850, 216125, 223250, 232180, 247000, 250040, 290225, 305500, 312550, 325052, 329000, 345800, 406315, 427700, 432250, 446500, 464360, 534625, 580450, 611000, 625100, 650104, 781375, 812630, 855400, 864500, 893000, 1069250, 1160900, 1250200, 1451125, 1562750, 1625260, 1729000, 2031575, 2138500, 2321800, 2902250, 3125500, 3250520, 4063150, 4277000, 5804500, 6251000, 8126300, 10157875, 11609000, 16252600, 20315750, 40631500, 81263000]

約数ペア:

[(1, 81263000), (2, 40631500), (4, 20315750), (5, 16252600), (7, 11609000), (8, 10157875), (10, 8126300), (13, 6251000), (14, 5804500), (19, 4277000), (20, 4063150), (25, 3250520), (26, 3125500), (28, 2902250), (35, 2321800), (38, 2138500), (40, 2031575), (47, 1729000), (50, 1625260), (52, 1562750), (56, 1451125), (65, 1250200), (70, 1160900), (76, 1069250), (91, 893000), (94, 864500), (95, 855400), (100, 812630), (104, 781375), (125, 650104), (130, 625100), (133, 611000), (140, 580450), (152, 534625), (175, 464360), (182, 446500), (188, 432250), (190, 427700), (200, 406315), (235, 345800), (247, 329000), (250, 325052), (260, 312550), (266, 305500), (280, 290225), (325, 250040), (329, 247000), (350, 232180), (364, 223250), (376, 216125), (380, 213850), (455, 178600), (470, 172900), (475, 171080), (494, 164500), (500, 162526), (520, 156275), (532, 152750), (611, 133000), (650, 125020), (658, 123500), (665, 122200), (700, 116090), (728, 111625), (760, 106925), (875, 92872), (893, 91000), (910, 89300), (940, 86450), (950, 85540), (988, 82250), (1000, 81263), (1064, 76375), (1175, 69160), (1222, 66500), (1235, 65800), (1300, 62510), (1316, 61750), (1330, 61100), (1400, 58045), (1625, 50008), (1645, 49400), (1729, 47000), (1750, 46436), (1786, 45500), (1820, 44650), (1880, 43225), (1900, 42770), (1976, 41125), (2275, 35720), (2350, 34580), (2375, 34216), (2444, 33250), (2470, 32900), (2600, 31255), (2632, 30875), (2660, 30550), (3055, 26600), (3250, 25004), (3290, 24700), (3325, 24440), (3458, 23500), (3500, 23218), (3572, 22750), (3640, 22325), (3800, 21385), (4277, 19000), (4465, 18200), (4550, 17860), (4700, 17290), (4750, 17108), (4888, 16625), (4940, 16450), (5320, 15275), (5875, 13832), (6110, 13300), (6175, 13160), (6251, 13000), (6500, 12502), (6580, 12350), (6650, 12220), (6916, 11750), (7000, 11609), (7144, 11375), (8225, 9880), (8554, 9500), (8645, 9400), (8930, 9100)]